387378 has 12 divisors (see below), whose sum is σ = 839358. Its totient is φ = 129120.

The previous prime is 387371. The next prime is 387397. The reversal of 387378 is 873783.

It can be written as a sum of positive squares in only one way, i.e., 328329 + 59049 = 573^2 + 243^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (387371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10743 + ... + 10778.

2³⁸⁷³⁷⁸ is an apocalyptic number.

387378 is an abundant number, since it is smaller than the sum of its proper divisors (451980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387378 is a wasteful number, since it uses less digits than its factorization.

387378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21529 (or 21526 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 387378 is about 622.3969794271. The cubic root of 387378 is about 72.8973348843.

The spelling of 387378 in words is "three hundred eighty-seven thousand, three hundred seventy-eight".